Droplr - Droplr is a tiny application that aims at helping people share things easier.
TeamViewer - TeamViewer lets you establish a connection to any PC or server within just a few seconds.
ConnectWise Control - ConnectWise Control is a mobile app that allows you to instantly connect with another system from anywhere with a connection to the internet. The software not only comes in a mobile app, but it has a desktop version as well for complete coverage.
AnyDesk - AnyDesk is the world's most comfortable remote desktop application. Access all your programs, documents and files from anywhere, without having to entrust your data to a cloud service.
OBS Studio - Free and open source software for video recording and live streaming for Mac, Windows and Linux.
Camtasia - Camtasia 2018 makes it easy to record your screen and create polished, professional-looking videos.